Highly Exfoliated Poly(Ethylene Terephthalate)/Clay Nanocomposites via Melt Compounding: Effects of Silane Grafting

被引：23
|
作者：
Wen, Bin [1 ]
Xu, Xinfeng [1 ]
Gao, Xiaowei [1 ]
Ding, Yanfen [1 ]
Wang, Feng [1 ]
Zhang, Shimin [1 ]
Yang, Mingshu [1 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2011年 / 50卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Montmorillonite; Nanocomposites; PET; Surface modification; MECHANICAL-PROPERTIES; THERMOMECHANICAL PROPERTIES; POLYMERIC NANOCOMPOSITES; RHEOLOGICAL PROPERTIES; CLAY NANOCOMPOSITES; CRYSTALLIZATION; POLYETHYLENE; MORPHOLOGY; BEHAVIOR; MONTMORILLONITE;
D O I：
10.1080/03602559.2010.543223
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The ammonium intercalated montmorillonite (A-MMT), especially acid treated montmorillonite (H-S-A-MMT), which experienced silane grafting treatment, exhibited highly exfoliation state in poly(ethylene terephthalate) (PET) matrix. It can be explained that the shear stress was transferred effectively from molten polymer to clay layers during melting processing due to the enhanced polymer-clay interaction by the grafted silane, leading to the slippage and peeling of clay sheets. Furthermore, the equilibrium melting point reduction of highly exfoliated nanocomposite calculated by the Hoffman-Weeks formula exhibited great miscibility between clay and polymer, which was proved by the Nishi-Wang equation.
引用
收藏
页码：362 / 371
页数：10
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